Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9MFS callsign genealogy
Currently held by Schott, Michael F
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by N9MFS's current licensee, walking backwards.
- Schott, Michael FINgranted 2016-04-26cancelled 2019-04-05
Successor callsigns
Callsigns held now by people who previously held N9MFS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9MFS, oldest first.
- DEDRICK, CURTIS C WI1991-08-06 → cancelled 2003-08-07
- Schott, Michael F IN2019-04-05 active